Answer:
The integumentary system.
Explanation: The integumentary system is the on that is responsible for regulation and synthesis of the vitamin D. Remember this, Vitamin D for the skin is found when the sunlight has absorbed on the skin. Hope this helps!
i believe it is true because i looking at the book
Answer:
the most common form of use is via a tablet. Although there are ways to mash the drug, and smoke it, those who do use the drug generally take it in the tablet form.
Explanation:
Just go and live your life.
Answer:
A substance can affect a teen's brain development. Occur more frequently with other risky behaviors, dangerous driving, and other crazy bran activity. This could lead to health problems as an adult.
Explanation: